Atlanta #2 2021 Green Flag Speeds
| Rank | Driver | Finish | Green Flag Speed |
|---|---|---|---|
| 1 | Kyle Busch | 2 | 167.162 |
| 2 | Kurt Busch | 1 | 167.129 |
| 3 | Denny Hamlin | 13 | 166.936 |
| 4 | Alex Bowman | 4 | 166.6 |
| 5 | Kyle Larson | 18 | 166.507 |
| 6 | Martin Truex Jr | 3 | 166.442 |
| 7 | Tyler Reddick | 6 | 166.379 |
| 8 | Ryan Blaney | 5 | 166.146 |
| 9 | Austin Dillon | 12 | 166.064 |
| 10 | Christopher Bell | 8 | 165.925 |
| 11 | Chase Elliott | 7 | 165.874 |
| 12 | Kevin Harvick | 11 | 165.859 |
| 13 | Brad Keselowski | 10 | 165.84 |
| 14 | Matt DiBenedetto | 9 | 165.839 |
| 15 | Chris Buescher | 16 | 165.695 |
| 16 | Joey Logano | 19 | 165.59 |
| 17 | William Byron | 20 | 165.453 |
| 18 | Chase Briscoe | 15 | 165.435 |
| 19 | Bubba Wallace | 14 | 165.427 |
| 20 | Cole Custer | 17 | 165.278 |
| 21 | Ryan Newman | 28 | 165.271 |
| 22 | Corey Lajoie | 22 | 165.09 |
| 23 | Ross Chastain | 21 | 165.02 |
| 24 | Aric Almirola | 23 | 164.9 |
| 25 | Erik Jones | 24 | 164.873 |
| 26 | Ryan Preece | 25 | 164.509 |
| 27 | Anthony Alfredo | 26 | 164.225 |
| 28 | Justin Haley | 29 | 163.742 |
| 29 | Michael McDowell | 27 | 163.31 |
| 30 | BJ McLeod | 30 | 161.631 |
| 31 | Cody Ware | 33 | 161.393 |
| 32 | Bayley Currey | 32 | 161.339 |
| 33 | Garrett Smithley | 31 | 161.201 |
| 34 | Daniel Suarez | 36 | 160.323 |
| 35 | Josh Bilicki | 34 | 158.906 |
| 36 | Ricky Stenhouse Jr | 37 | 157.152 |
| 37 | Quin Houff | 35 | 156.899 |
